
“Mere grace is not enough: a play should thrill
The hearer's soul, and move it at its will.”
Non satis est pulchra esse poemata; dulcia sunto
Et, quocumque uolent, animum auditoris agunto.
Source: Ars Poetica, or The Epistle to the Pisones (c. 18 BC), Line 99 (tr. John Conington)